Finding the Fourth Proportional to 3,555,639.72, 4,906,795.82 and 1,924,047.09
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Solution
The fourth proportional to 3,555,639.72, 4,906,795.82 and 1,924,047.09 is: 2,655,192.02
Step by Step Solution
- Step 1: Write the proportion equation
3,555,639.72 : 4,906,795.82 = 1,924,047.09 : x - Step 2: Convert to fraction form
3,555,639.72/4,906,795.82 = 1,924,047.09/x - Step 3: Cross multiply
3,555,639.72x = 4,906,795.82 × 1,924,047.09 - Step 4: Simplify right side
3,555,639.72x = 9,440,906,209,074.93 - Step 5: Solve for x
x = 9,440,906,209,074.93/3,555,639.72 - Step 6: Final answer
x = 2,655,192.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.